Founding Frontend Engineer - San Francisco
3 days ago

Job description
Role Details
Location: San Francisco, CA Work Model: In-office
About Us
At Effective AI, we're building the future of work. We believe the real frontier for AI is not simple, repetitive tasks, but complex knowledge work that demands expertise and multi-step reasoning. That's why we're building sophisticated AI Teammates designed to master complex workflows and collaborate with human experts. We're starting by tackling the trillion-dollar U.S. Property & Casualty insurance market, a space with intricate processes and a rich data environment perfect for this challenge.
We've raised $10 million in seed funding from Lightspeed Ventures & Valor Equity Partners.
Our dedicated team is based in San Francisco and thrives on in-person collaboration to solve these challenging problems.
What You'll Do
As a Founding Frontend Engineer, you will be a crucial part of our initial team, playing a pivotal role in designing and building our core product from the ground up. You'll push the frontiers of AI and human collaboration on some of the most data-heavy analytical projects that insurance professionals work on.
More specifically, you will:
Enable long-horizon task completion by building the foundational UX patterns for working with multi-turn, multi-tool agentic systems.
Empower actuaries and underwriters to work on thousands of documents in parallel by giving them access to coding and coding agents.
Architect and implement our frontend stack using modern frameworks (React, TypeScript, Tailwind) with a focus on performance and maintainability.
Get your hands into the backend & core agentic platform as well It's all typescript.
Collaborate closely with design, backend, and ML engineers to deliver end-to-end experiences.
Rapidly prototype and iterate on features, balancing speed and quality in a startup environment.
Who You Are
We're looking for an ambitious and creative builder who is excited to tackle hard problems.
You are genuinely passionate about AI and energized by approaching ambiguous challenges from first principles.
Have deep experience building production-grade web applications with modern frameworks (React, , TypeScript).
Care about performance, accessibility, and pixel-perfect implementation.
Have strong UI/UX sensibilities and enjoy collaborating with designers to ship delightful experiences.
Are a collaborative, fast learner who wants to join a small team and have an outsized impact.
(Bonus) Have experience with data visualization, realtime systems, or working on complex workflow tools.
Why Join Effective AI?
Tackle Foundational AI Challenges: Work on cutting-edge problems in agentic AI, tool use, and reliable reasoning that will define the future of work.
Massive, Tangible Impact: Your work will directly improve efficiency and decision-making in a trillion-dollar industry.
Work with the best: We're assembling a world-class, talent-dense team. This is an opportunity for you to raise our already high bar and define the company culture and direction.
What We Offer:
Highly competitive salary & equity
Flexible PTO
Catered lunches
Best-in-class medical, dental & vision insurance
401k with up to a 4% company match
Mentorship from experienced founders and access to an elite investor network
Team building events & happy hours
Backing from top VCs (Lightspeed, Valor)
Similar jobs
We're hiring a Founding Frontend Software Engineer to join a profitable, venture-backed startup building real infrastructure for a deeply complex, real-world industry. · This is a frontend-heavy role with genuine ownership over product, UI architecture, · and how end users intera ...
3 weeks ago
A startup is looking for a Frontend Engineer to join their team. · Building and shipping high-quality frontend features and user experiences · Implementing and iterating on new designs in close collaboration with a dedicated designer · ...
1 month ago
We are looking for a Frontend Engineer to join our team. · A seed-stage startup building an AI-powered platform needs a Frontend Engineer. · ...
1 month ago
We're looking for a frontend engineer to help us build a seamless and beautiful consumer healthcare product on the web. You'll own major surfaces of our application — from search and scheduling to provider profiles and checkout — and obsess over every detail of the patient experi ...
1 week ago
We're hiring a Frontend Engineer to help build the user-facing product that brokers rely on every day. · Build and maintain frontend applications used by insurance brokers daily. · Translate complex data and workflows into clear, intuitive UI/UX.Collaborate closely with product a ...
4 days ago
We are hiring for a fast-growing startup building AI solutions that read, analyze and execute insurance workflows.Crossing Hurdles is a global recruitment firm partnering with leading US-based startups. · Build AI products transforming the trillion-dollar insurance industry by au ...
1 week ago
We are hiring for a fast-growing startup building AI solutions that read, analyze, and execute insurance workflows, · Build AI products transforming the trillion-dollar insurance industry by automating complex, high-value workflows. · Collaborate with an elite team of ex-Apple AI ...
1 week ago
We are a team of engineers, product designers, and customer champions applying the most transformative technology of our times, AI to one of the largest industries in the world: logistics. · ...
1 month ago
We're an experienced team that has built a company in this space before, our product has clear product-market fit, and we've raised money from top investors. · Please note that this role is based in either our SF office (near Market and Spear St) or our Boston office (Central Squ ...
1 week ago
We are looking for a frontend engineer to help us develop and scale the UI and frontend infrastructure of the Lightning AI platform. · Proficiency in React, javascript and typescript. · Hands-on experience as a frontend engineer in a SaaS technology company. · ...
1 week ago
We are looking for a frontend engineer to help us develop and scale the UI and frontend infrastructure of the Lightning AI platform. · This is a hybrid role based in our Palo Alto office with in-office requirements of 2 days per week.Write readable/testable/efficient code in Reac ...
1 month ago
As a Frontend Engineer you will be responsible for designing developing and maintaining UI and frontend components of our onboarding experience. · You will work closely with product managers designers and other engineers to deliver high quality secure and scalable solutions that ...
1 month ago
We're building the AI native platform that replaces legacy CRM and disparate sales point solutions. We're looking for a Frontend Engineer to help build Monaco's AI-first product experience - the interface revenue teams live in every day. · Build AI-native interfaces: chat, copilo ...
1 week ago
We invite you to join us in building the future of scientific intelligence. · We're building AI systems from first principles, developing novel architectures that combine calibrated confidence estimation with reinforcement learning from experimental outcomes. · ...
3 weeks ago
Job summary · Factory is seeking talented frontend engineers to help build out the human-AI interaction patterns that define our core platform, · enabling our enterprise customers to seamlessly collaborate with advanced AI systems. · ...
1 week ago
We're looking for a frontend engineer to help us build a seamless and beautiful consumer healthcare product on the web. · You'll own major surfaces of our application — from search and scheduling to provider profiles and checkout. · ...
1 week ago
· About · Location: San Francisco, CA (Onsite 5 days a week) · Compensation: $100K–$160K salary + 0.1%–0.6% equity · Pump is on a mission to radically simplify AWS cost optimization for teams building in the cloud. We use group buying and AI to help startups save like big tech ...
1 day ago
Coverflow helps insurance brokers automate their most challenging workflowsWe're hiring a Frontend Engineer to help build the user-facing product that brokers rely on every day. ...
3 weeks ago
+Job summary · Pump is on a mission to radically simplify AWS cost optimization for teams building in the cloud. · ResponsibilitiesBuild intuitive, performant, and scalable interfaces that bring our vision to life ...
1 month ago
Overview Blockless is seeking a talented and motivated Frontend Engineer (or Web Developer) to join our team. In this role, you will be responsible for developing and maintaining web interfaces for our decentralized compute network. You will collaborate closely with cross-functio ...
2 days ago
We are seeking a talented and motivated Frontend Engineer to join our team. You will be responsible for developing and maintaining web interfaces for our decentralized compute network. · ...
1 week ago